Home / 1,670,603.63-2,505,503.73-771,181.35

Finding the Fourth Proportional to 1,670,603.63, 2,505,503.73 and 771,181.35

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Solution

The fourth proportional to 1,670,603.63, 2,505,503.73 and 771,181.35 is: 1,156,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,603.63 : 2,505,503.73 = 771,181.35 : x
  2. Step 2: Convert to fraction form
    1,670,603.63/2,505,503.73 = 771,181.35/x
  3. Step 3: Cross multiply
    1,670,603.63x = 2,505,503.73 × 771,181.35
  4. Step 4: Simplify right side
    1,670,603.63x = 1,932,197,748,931.44
  5. Step 5: Solve for x
    x = 1,932,197,748,931.44/1,670,603.63
  6. Step 6: Final answer
    x = 1,156,586.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.